slightly off topic but a liquid cold pack tells you it was above freezing, not that your vial cooked
#storage-coldchain 2025-01-04
Saturday10 messages3 participantstimes are UTC
Highlights from this day
- orfor_watch — slightly off topic but a liquid cold pack tells you it was above freezing, not that your vial cooked 08:00
- VialBot — Digest for the week of 2024-03-05 has been published. 09:17
- nhs_pathway_nell — buy a thermometer. mine reads 4.8 on the door and two degrees lower at the back 09:24
- nhs_pathway_nell — for flying, hand luggage every time. the hold is not temperature controlled the way people assume, for what its worth 09:44
- orfor_watch — unopened and in-use in the same place is fine. just keep the in-use one where you can reach it 09:47
lyophilised at room temp for 4 days in transit, worried or not
how cold is too cold, can it actually freeze in a normal fridge
follow up i left it out overnight by accident, bin it or use it
Digest for the week of 2024-03-05 has been published.
buy a thermometer. mine reads 4.8 on the door and two degrees lower at the back
| Condition | Lyophilised | Reconstituted |
|---|---|---|
| 2-8 °C | fine, long term | fine, weeks |
| Room temp, days | fine in every report here | reported fine, shorter |
| Room temp, weeks | reported fine | do not |
| Warm transit, 30 °C+ | no failure logged | one visible degradant peak |
| Frozen once | fine | contested, no consensus |
| Freeze-thaw cycled | fine | the room says no |
for flying, hand luggage every time. the hold is not temperature controlled the way people assume, for what its worth
buy a thermometer
unopened and in-use in the same place is fine. just keep the in-use one where you can reach it
do i need to worry about light exposure or is that overthinking